Which product of modern technology has professional swimmers improve their racing preformance?

Asap! can someone give the answers ?

Examine the table of contents. table of contents fear and its physical effects mental effects emotional effects just say "no! " to breathing exercises meditation yoga free from living free seeking support staying sane index in which chapter would a reader find information on seeking support? fear and its effects free from fear just say "no! " to fear seeking support

How do the party's mottos reveal the true nature of the party? how effective are these mottos in motivating/controlling their citizens? provide specific evidence to support your response.